LV3311PNM Datasheet, PDF (8/20 Pages) Sanyo Semicon Device – Bi-CMOS LSI For Car Audio Systems Electronic Volume IC

Continued from preceding page.
Pin No.
Pin
42
Vref
LV3311PNM
Function
Connect a capacitor of a few tens of uF
between Vref and AVSS (VSS) as a 0.55 ×
VDD voltage generator, current ripple
countermeasure.
36
VREG
Internal logic voltage pin.
Equivalent Circuit
VDD
-
+
LVref
RVref
VDD
-
+
37
VDD
20
AVSS
38
MUTE
Power supply pin.
Ground pin.
External muting control pin.
Setting this pin to VSS level sets forcibly fader
volume block to -∞ level.
VDD
40
TIM
Timer pin when there is no signal in the zero
cross circuit.Forcibly set data when there is no
zero cross signal, from the time the data is set
until the timer ends.
17
CL
18
DI
19
CE
39
TEST
21
LSOUT
13
RSOUT
16
OSC
Input pin for serial data and clock used for
control.
Chip enable pin.Data is written to the internal
latch and the analog switches are operated
when the level changes from High to Low. Data
transfer is enabled when the level is High.
Normally this pin is OPEN.
Subwoofer output pin.
External oscillat input pin.
14
NC
15
26
8
41
no connect pin (Normally these pins are
OPEN.)
VDD
VDD
VDD
No.A0720-8/20